1101312103303 has 4 divisors (see below), whose sum is σ = 1102040967888. Its totient is φ = 1100583238720.

The previous prime is 1101312103289. The next prime is 1101312103327. The reversal of 1101312103303 is 3033012131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101312103303 - 2¹⁷ = 1101311972231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101312103343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364430026 + ... + 364433047.

It is an arithmetic number, because the mean of its divisors is an integer number (275510241972).

Almost surely, 2^{1101312103303} is an apocalyptic number.

1101312103303 is a deficient number, since it is larger than the sum of its proper divisors (728864585).

1101312103303 is an equidigital number, since it uses as much as digits as its factorization.

1101312103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728864584.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1101312103303 its reverse (3033012131011), we get a palindrome (4134324234314).

The spelling of 1101312103303 in words is "one trillion, one hundred one billion, three hundred twelve million, one hundred three thousand, three hundred three".